Levels of Severity for Potholes

Maximum Depth of Pothole

Average Diameter

100 to 200 mm

(4 to 8 in.)

200 to 450 mm

(8 to 18 in.)

450 to 750 mm

(18 to 30 in.)

13 to ≤25 mm

(1/2 to 1 in.)

L

L

M

>25 and ≤50 mm

(1 to 2 in.)

L

M

H

>50 mm

(2 in.)

M

M

H

 

 L

 M

 H